19867428 is an even 8-digits composite number following 19867427
and preceding 19867429 . In scientific notation, it is written as 1.9867428 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 5676336 positive integers (up to 19867428) that are relatively prime to 19867428.
19867428 has 12 divisors, whose sum is 35320320
The reverse of 19867428 is 82476891
Previous prime number is 63
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million eight hundred sixty-seven thousand four hundred twenty-eight
Scientific notation
1.9867428 × 10^7
Engineering notation
1.9867428 × 10^6
Prime Factorization
2 × 2 × 63 × 78839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9933714
Product of the distinct prime numbers
The prime factorization of 19867428 is 2 × 2 × 63 × 78839.
Since it has a total of 4 prime factors.
1 , 2 , 28 , 28 , 312 , 817 , 8270 , 9425 , 68214 , 87897 , 607729 , 658988 , 4831362 , 5457930 , 42391107 , 33243075 , 104930573 , 598757607 , 7429750657 , 6883050075
n×2
39734856
n×3
59602284
n×4
79469712
n×5
99337140
n÷2
9933714
n÷3
6622476
n÷3
4966857
n÷5
3973485.6
n2
394714695335184
n3
7.8419657901137E+21
n4
1.5579969071355E+29
n5
3.0953391376737E+36
2 √n
4457.2893107807
3 √n
270.84067194842
4 √n
66.762933659185
5 √n
28.815643966762
1 , 2 , 4 , 63 , 126 , 252 , 78839 , 157678 , 315356 , 4966857 , 9933714 , 19867428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19867427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19867428 can be divided by 12 positive divisors.
The sum of these divisors (counting 19867428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011110010011100100100
3
Ternary
1101101100222200
4
Quaternary
1023302130210
5
Quinary
20041224203
6
Senary
1545454500
8
Octal
113623444
10
Decimal
19867428
12
Duodecimal
67a1430
16
Hexadecimal
12f2724
20
Vigesimal
6438b8
36
Base36
bttt0
md5
736cc6253d4cc6a51e2711012aa3356f
sha1
a7410feb85e11007ea373d81acc1b57b3a12ceed
sha256
5337935d7b2f566ab6005694ad6ebc14a5aa9096c2cb2a4f5c87c66a9b2c1461
sha512
519ab0e10077460c8fb5eab99c44e3d38c1d80141bd7975136b201c730ecd5566d4048767deb997a150685d65424257e9730d6268af8c0255349f65d7c74e261
ripemd-160
481f9c8903573b43d3df4cce9953260792b9bf0c
Diameter
39734856
Circumference
124830731.70105
Area
1.2400327871289E+15
Volume
3.2848349487898E+22
Surface area
4.9601311485158E+15
Circumference
124830731.70105
Perimeter
79469712
Area
394714695335184
Diagonal
28096786.127071
Surface area
2368288172011104
Volume
7.8419657901137E+21
Space diagonal
34411394.711717
Perimeter
59602284
Area
1.7091647670365E+14
Altitude
17205697.355858
Surface area
1.7091647670365E+14
Volume
9.2418453133705E+20
Height
9365595.3756903